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Student & Learning Zone - City & Guilds
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<blockquote data-quote="Majid786" data-source="post: 113066" data-attributes="member: 8142"><p>Hi,</p><p></p><p>Greeting to all at electricain forum .</p><p></p><p>I'm currently taking the City &amp; Guilds 2330 level 2 based in Lancashire, and I will be taking the 202 exam on Tuesday .</p><p></p><p>I would like to ask anyone could have a go at this question which is a similar one we will get in the exam it is from the book I brought on electrical calculations. I have also asked Imran and we seem to be a bit stumped with this one.</p><p></p><p><strong>Internal Resistance : </strong></p><p></p><p><strong>Arrangement as follows : To resistors in series one value is unknown and the other is 20 ohms . Followed by one resistor in series with value of 5 ohms . </strong></p><p></p><p><strong>Supply : 30V </strong></p><p></p><p><strong>Current going to Parallel resistors 0.5 A </strong></p><p></p><p><strong>Find the value of the unknown resistor</strong>.</p><p></p><p>Let me know how you work this one out as the answer given by the book are as follows:</p><p></p><p>2.86 ohms</p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="Majid786, post: 113066, member: 8142"] Hi, Greeting to all at electricain forum . I'm currently taking the City & Guilds 2330 level 2 based in Lancashire, and I will be taking the 202 exam on Tuesday . I would like to ask anyone could have a go at this question which is a similar one we will get in the exam it is from the book I brought on electrical calculations. I have also asked Imran and we seem to be a bit stumped with this one. [B]Internal Resistance : [/B] [B]Arrangement as follows : To resistors in series one value is unknown and the other is 20 ohms . Followed by one resistor in series with value of 5 ohms . [/B] [B]Supply : 30V [/B] [B]Current going to Parallel resistors 0.5 A [/B] [B]Find the value of the unknown resistor[/B]. Let me know how you work this one out as the answer given by the book are as follows: 2.86 ohms Thanks [/QUOTE]
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